package com.itgaoshu.springboot_day01.service;

import com.itgaoshu.springboot_day01.bean.User;

import java.util.List;

/**
 * ClassName: UserService <br/>
 * Description: <br/>
 * date: 2021/6/30 16:29<br/>
 * @author lovegg<br />
 * @since JDK 1.8
 */
public interface UserService {
    //查询用户列表
    public List<User> selectUsers();
    public int updateUserById(User user);
    public User selectUserById(int id);
}
